US8881946B2 - Compact container having an airless pump - Google Patents

Compact container having an airless pump Download PDF

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Publication number
US8881946B2
US8881946B2 US13/575,990 US201013575990A US8881946B2 US 8881946 B2 US8881946 B2 US 8881946B2 US 201013575990 A US201013575990 A US 201013575990A US 8881946 B2 US8881946 B2 US 8881946B2
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United States
Prior art keywords
cylinder
wall
airless pump
depression
piston
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Active
Application number
US13/575,990
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US20120305606A1 (en
Inventor
Do Hoon LEE
Jae Kwang Hwang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pum Tech Korea Co Ltd
FS Korea Industries Inc
Original Assignee
Pum Tech Korea Co Ltd
FS Korea Industries Inc
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Publication date
Application filed by Pum Tech Korea Co Ltd, FS Korea Industries Inc filed Critical Pum Tech Korea Co Ltd
Assigned to F.S. KOREA INDUSTRIES, PUM-TECH KOREA CO. LTD. reassignment F.S. KOREA INDUSTRIES ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HWANG, JAE KWANG, LEE, DO HOON
Publication of US20120305606A1 publication Critical patent/US20120305606A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
    • A45D33/02—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances with dispensing means, e.g. sprinkling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1009—Piston pumps actuated by a lever
    • B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1053—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/056—Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/029—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container located on top of the remaining content
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem

Definitions

  • the present invention relates to a compact container having an airless pump, and more particularly to a compact container for discharging a preset amount of cosmetics accommodated therein by pressing a button to operate a pump.
  • a compact container is configured such that pressed powder is accommodated in a container with a preset shape and is applied to a face with a powder puff as an appliance accommodated therein.
  • the pressed powder is flied during the application of the pressed powder and is not closely stuck to a face a little.
  • gel compact cosmetics in which the pressed powder is blended with volatile material are developed and are getting used more widely due to the convenience.
  • the volatile material is gone out in the air so that the gel powder becomes hard, has cracks, and finally is broken when the gel compact cosmetics are exposed to the air.
  • the internal space of the compact container must be sealed from the exterior so as to prevent the volatile material contained in the gel compact cosmetics from being gone out in the air.
  • the present invention has been made in view of the above problems, and it is an aspect of the present invention to provide a compact container having an airless pump for preventing volatile material contained in gel compact cosmetics from being gone up in the air.
  • a compact container having an airless pump including: a casing including an upper case and a lower case and accommodating cosmetics; a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from the rim, a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening
  • annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder; an airless pump
  • the plate includes an annular downwardly extending wall
  • the airless pump include: a piston support including a hollow rod extending upwardly from the center, a plurality of holes formed on the circumference communicating the inside with the outside, and a flange formed at the lower side; an annular inner piston installed between the rod of the piston support and the depression of the cylinder and elevating up and down; and a stem including a protrusion protruding upwardly from the center to close the discharging hole of the plate, an opening formed around the protrusion through which the cosmetic introduced through the hollow inside of the piston support passes, and an annular trench concentric with the protrusion to guide the downwardly
  • the button includes an auxiliary button seated on the stem and having an elastic downward slope and a main button seated on the auxiliary button and having a protrusion formed at a side and exposed to the through-hole of the plate.
  • the compact container having an airless pump according to the present invention has advantages that the airless pump is installed to prevent volatile material in the gel compact cosmetics being gone out in the air to prolong lifespan thereof.
  • FIG. 1 is a perspective view illustrating an outer appearance of a compact container having an airless pump according to an embodiment of the present invention
  • FIG. 2 is an exploded perspective view illustrating the compact container having an airless pump according to the embodiment of the present invention
  • FIG. 3 is a partial sectional view illustrating the compact container having an airless pump according to the embodiment of the present invention
  • FIG. 4 is a sectional view illustrating the compact container having an airless pump, according to the embodiment of the present invention, when the compact container is closed;
  • FIG. 5 is a sectional view illustrating the compact container having an airless pump, according to the embodiment of the present invention, when the compact container is opened.
  • a compact container 100 having an airless pump includes a casing accommodating cosmetics and having an upper case 10 and a lower case 12 ; a cylinder 20 fixed in the lower case 12 of the casing, a plate 30 upwardly spaced apart from the cylinder 20 and having a discharging hole 32 , formed at the center thereof, through which the cosmetics are discharged, an annular container piston 40 elevating up and down along the inner circumference of the cylinder 20 , an airless pump 50 pumping out the cosmetics through the discharging hole 32 , and a button 90 installed to drive the airless pump 50 .
  • the casing is divided into the upper case 10 and the lower case 12 respectively, wherein the lower case 12 is integrally coupled with an inner case 14 .
  • upper case 10 is hinged to a side of the lower case 12 and is pivoted occasionally. Moreover, a side button 16 is provided at the opposite side of the hinge to hold the upper case 10 temporally.
  • the cylinder 20 is fixed to the inside of the lower case 12 .
  • the cylinder 20 has an annular outer wall 22 extending downwardly from the rim and a depression 24 formed at the center thereof to be concentric with the outer wall 22 .
  • an opening 28 is formed at the lower side of the depression 24 and an introduction passage 29 is formed at the lower side of the opening 28 such that the cosmetic is introduced into the lower side of the opening 28 through the introduction passage 29 .
  • An annular channel 26 is formed in the depression 24 into which a later-described bushing 72 is inserted.
  • the plate 30 is upwardly spaced apart from the cylinder 20 and has a discharging hole 32 through which the cosmetic is discharged and a through-hole 34 formed at a side thereof to expose the button 90 .
  • the plate 30 is preferably downwardly inclined from the outer circumference to the center such that the upper side is easily stuck to the puff after discharging the cosmetic.
  • a downwardly extending annular wall 36 is provided around the discharging hole.
  • the container piston 40 has an annular shape to be vertically elevated up and down along the inner circumference of the outer wall of the cylinder 20 and the outer wall of the depression 24 .
  • a negative pressure is generated in the container piston 40 when the cosmetic accommodated in the lower side and the container piston 40 is lowered down due to the negative pressure.
  • the airless pump 50 is a discharging pump discharging the cosmetic that is installed in the depress 24 of the cylinder 20 and includes a piston support 60 disposed at the center of the depress 24 of the cylinder 20 , an inner piston 70 installed at the piston support 60 to be elevated up and down, and a stem 80 discharging the cosmetic through the discharging hole 32 of the plate 30 .
  • the piston support 60 includes a hollow rod 62 formed at the center thereof extending upwardly, a plurality of hole 64 formed on the circumferential surface communicating the inside with the outside, and a flange 66 formed at the lower side.
  • the cosmetic enters through the plurality of holes 64 , moves along the hollow inside, and is discharged to the outside.
  • the inner piston 70 is installed between the rod 62 of the piston support 70 and the depression 23 of the cylinder 20 and elevates up and down along the outer circumference of the rod 62 of the piston support 70 .
  • the inner piston 70 has an upper side corresponding to the stem 80 and a lower side corresponding to the flange 66 of the piston support 60 .
  • the stem 80 includes a protrusion 82 protruding upwardly from the center to seal the discharging hole 32 of the plate 30 , an opening 84 formed around the protrusion 82 allowing the cosmetic that is introduced through the rod 62 of the piston support 60 , and an annular trench 86 concentric with the protrusion 82 guiding the downwardly extending wall 36 of the plate 30 .
  • the trench 86 of the stem 80 includes a leg 88 formed at the lower side to correspond to the inner piston 70 . There is a preset gap C between the inner piston 70 and the leg 88 and due to this the inner piston 70 is lowered down sequentially after the stem 80 moves down.
  • the button 90 includes an auxiliary button 94 seated on the stem 80 and having an elastic downward slope 92 and a main button 98 seated on the auxiliary button 94 and having a protrusion 96 formed at a side to be exposed to the through-hole 34 .
  • a user grasps the lower case 12 of the compact container 100 with a hand and presses the opening button 16 to pivot the upper case 10 with the other hand.
  • the stem 80 and the piston support 60 further move down, the stem 80 brings in contact with the inner piston 70 and at the same time the gap between the lower side of the inner piston 70 and the piston support 60 is maximized.
  • the container piston 40 moves down and compensates an empty space generated by the discharge of the cosmetic.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

The present invention relates to a compact container having an airless pump, and more particularly, to a compact container for discharging cosmetic in preset amount when the pump is driven by pressing a button. The compact container having an airless pump, includes: a casing including an upper case and a lower case and accommodating cosmetics; a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from the rim, a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening communicates with the inner space of the outer wall; a plate upwardly spaced apart from the cylinder and having a discharging hole, formed at the center, through which the cosmetics is discharged, and a through-hole formed at a side thereof; an annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder; an airless pump installed at the depression of the cylinder to discharge the cosmetics accommodated in the cylinder to the outside; and a button formed at the through-hole to operate the airless pump.

Description

TECHNICAL FIELD
The present invention relates to a compact container having an airless pump, and more particularly to a compact container for discharging a preset amount of cosmetics accommodated therein by pressing a button to operate a pump.
Background Art
In general, a compact container is configured such that pressed powder is accommodated in a container with a preset shape and is applied to a face with a powder puff as an appliance accommodated therein.
However, the pressed powder is flied during the application of the pressed powder and is not closely stuck to a face a little.
Thus, in order to overcome these disadvantages, gel compact cosmetics in which the pressed powder is blended with volatile material are developed and are getting used more widely due to the convenience.
However, according the gel compact cosmetics, the volatile material is gone out in the air so that the gel powder becomes hard, has cracks, and finally is broken when the gel compact cosmetics are exposed to the air.
As such, the internal space of the compact container must be sealed from the exterior so as to prevent the volatile material contained in the gel compact cosmetics from being gone out in the air.
DISCLOSURE Technical Problem
Therefore, the present invention has been made in view of the above problems, and it is an aspect of the present invention to provide a compact container having an airless pump for preventing volatile material contained in gel compact cosmetics from being gone up in the air.
Technical Solution
In accordance with an aspect of the present invention, the above and
other aspects can be accomplished by the provision of a compact container having an airless pump, including: a casing including an upper case and a lower case and accommodating cosmetics; a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from the rim, a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening
communicates with the inner space of the outer wall; a plate upwardly spaced apart from the cylinder and having a discharging hole, formed at the center, through which the cosmetics is discharged, and a through-hole formed
at a side thereof; an annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder; an airless pump
installed at the depression of the cylinder to discharge the cosmetics
accommodated in the cylinder to the outside; and a button formed at the through-hole to operate the airless pump.
Moreover, the plate includes an annular downwardly extending wall
formed around the discharging hole, the airless pump include: a piston support including a hollow rod extending upwardly from the center, a plurality of holes formed on the circumference communicating the inside with the outside, and a flange formed at the lower side; an annular inner piston installed between the rod of the piston support and the depression of the cylinder and elevating up and down; and a stem including a protrusion protruding upwardly from the center to close the discharging hole of the plate, an opening formed around the protrusion through which the cosmetic introduced through the hollow inside of the piston support passes, and an annular trench concentric with the protrusion to guide the downwardly
extending wall of the plate; and the button includes an auxiliary button seated on the stem and having an elastic downward slope and a main button seated on the auxiliary button and having a protrusion formed at a side and exposed to the through-hole of the plate.
Advantageous Effects
As described above, the compact container having an airless pump according to the present invention has advantages that the airless pump is installed to prevent volatile material in the gel compact cosmetics being gone out in the air to prolong lifespan thereof.
DESCRIPTION OF DRAWINGS
FIG. 1 is a perspective view illustrating an outer appearance of a compact container having an airless pump according to an embodiment of the present invention;
FIG. 2 is an exploded perspective view illustrating the compact container having an airless pump according to the embodiment of the present invention;
FIG. 3 is a partial sectional view illustrating the compact container having an airless pump according to the embodiment of the present invention;
FIG. 4 is a sectional view illustrating the compact container having an airless pump, according to the embodiment of the present invention, when the compact container is closed; and
FIG. 5 is a sectional view illustrating the compact container having an airless pump, according to the embodiment of the present invention, when the compact container is opened.
 BEST MODE
Hereinafter, a compact container having an airless pump according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
As illustrated in FIGS. 1 to 5, a compact container 100 having an airless pump according to an embodiment of the present invention includes a casing accommodating cosmetics and having an upper case 10 and a lower case 12; a cylinder 20 fixed in the lower case 12 of the casing, a plate 30 upwardly spaced apart from the cylinder 20 and having a discharging hole 32, formed at the center thereof, through which the cosmetics are discharged, an annular container piston 40 elevating up and down along the inner circumference of the cylinder 20, an airless pump 50 pumping out the cosmetics through the discharging hole 32, and a button 90 installed to drive the airless pump 50.
The casing is divided into the upper case 10 and the lower case 12 respectively, wherein the lower case 12 is integrally coupled with an inner case 14. The
upper case 10 is hinged to a side of the lower case 12 and is pivoted occasionally. Moreover, a side button 16 is provided at the opposite side of the hinge to hold the upper case 10 temporally.
The cylinder 20 is fixed to the inside of the lower case 12. The cylinder 20 has an annular outer wall 22 extending downwardly from the rim and a depression 24 formed at the center thereof to be concentric with the outer wall 22. Moreover, an opening 28 is formed at the lower side of the depression 24 and an introduction passage 29 is formed at the lower side of the opening 28 such that the cosmetic is introduced into the lower side of the opening 28 through the introduction passage 29. An annular channel 26 is formed in the depression 24 into which a later-described bushing 72 is inserted.
The plate 30 is upwardly spaced apart from the cylinder 20 and has a discharging hole 32 through which the cosmetic is discharged and a through-hole 34 formed at a side thereof to expose the button 90. The plate 30 is preferably downwardly inclined from the outer circumference to the center such that the upper side is easily stuck to the puff after discharging the cosmetic. In addition, a downwardly extending annular wall 36 is provided around the discharging hole.
The container piston 40 has an annular shape to be vertically elevated up and down along the inner circumference of the outer wall of the cylinder 20 and the outer wall of the depression 24. A negative pressure is generated in the container piston 40 when the cosmetic accommodated in the lower side and the container piston 40 is lowered down due to the negative pressure.
The airless pump 50 is a discharging pump discharging the cosmetic that is installed in the depress 24 of the cylinder 20 and includes a piston support 60 disposed at the center of the depress 24 of the cylinder 20, an inner piston 70 installed at the piston support 60 to be elevated up and down, and a stem 80 discharging the cosmetic through the discharging hole 32 of the plate 30.
The piston support 60 includes a hollow rod 62 formed at the center thereof extending upwardly, a plurality of hole 64 formed on the circumferential surface communicating the inside with the outside, and a flange 66 formed at the lower side. Thus, the cosmetic enters through the plurality of holes 64, moves along the hollow inside, and is discharged to the outside.
The inner piston 70 is installed between the rod 62 of the piston support 70 and the depression 23 of the cylinder 20 and elevates up and down along the outer circumference of the rod 62 of the piston support 70. The inner piston 70 has an upper side corresponding to the stem 80 and a lower side corresponding to the flange 66 of the piston support 60.
The stem 80 includes a protrusion 82 protruding upwardly from the center to seal the discharging hole 32 of the plate 30, an opening 84 formed around the protrusion 82 allowing the cosmetic that is introduced through the rod 62 of the piston support 60, and an annular trench 86 concentric with the protrusion 82 guiding the downwardly extending wall 36 of the plate 30. In this case, the trench 86 of the stem 80 includes a leg 88 formed at the lower side to correspond to the inner piston 70. There is a preset gap C between the inner piston 70 and the leg 88 and due to this the inner piston 70 is lowered down sequentially after the stem 80 moves down.
The button 90 includes an auxiliary button 94 seated on the stem 80 and having an elastic downward slope 92 and a main button 98 seated on the auxiliary button 94 and having a protrusion 96 formed at a side to be exposed to the through-hole 34.
Hereinafter, operations of the compact container having an airless pump according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.
First, a user grasps the lower case 12 of the compact container 100 with a hand and presses the opening button 16 to pivot the upper case 10 with the other hand.
When the upper case 10 is pivoted, the main button 98 exposed through the side of the plate 30 is pressed.
When the main button 98 is pressed, the main button 98 and the auxiliary button 94 press the stem 80 at the same time and the stem 80 starts to move down.
When the stem 80 begins to move down, the piston support 60 coupled with the stem 80 is elevated down at the same time.
When the stem 80 and the piston support 60 move down, a gap is generated between the lower side of the inner piston 70 and the flange 66 of the piston support 60 so that the cosmetic starts to enter.
Moreover, since the protrusion 82 closing the discharging hole 32 of the plate 30 is lowered down while lowering of the stem 80, the discharging hole 32 is opened and the cosmetic starts to be discharged out.
If the stem 80 and the piston support 60 further move down, the stem 80 brings in contact with the inner piston 70 and at the same time the gap between the lower side of the inner piston 70 and the piston support 60 is maximized.
If further lowered down after that, since the stem 80, the piston support 60, and the inner piston 70 are integrally lowered down and the cosmetic is continuously introduced into the airless pump 50 through the gap between the lower side of the inner piston 70 and the flange 66 of the piston support 60, a negative pressure is generated in the cylinder 20.
As such, since the negative pressure is generated in the cylinder 20, the container piston 40 moves down and compensates an empty space generated by the discharge of the cosmetic.
Next, when a user releases the pressed main button 98, the stem 80 and the piston support 60 integrally fixed to the stem 80 move upwardly and the inner piston 70 still stops.
When the stem 80 and the piston support 70 further move upwardly and bring the flange 66 of the piston support 60 in contact with the lower side of the inner piston 70, the passage is closed and the stem 80, the piston support 60, and the inner piston 70 are integrally elevated up.
When the stem 80, the piston support 60, and the inner piston 70 are further elevated up, the protrusion 82 of the upper side of the stem 80 closes the discharging hole 32 of the plate 30.
While the present invention has been shown and described in connection with the exemplary embodiments, it will be apparent to those skilled in the art that modifications and variations can be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (2)

The invention claimed is:
1. A compact container having an airless pump comprising:
a casing including an upper case and a lower case and accommodating cosmetics;
a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from rim of the cylinder, a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening communicates with inner space of the outer wall;
a plate upwardly spaced apart from the cylinder and having a discharging hole, formed at the center, through which the cosmetics are allowed to flow out and a through-hole formed at side of the plate;
an annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder;
an airless pump installed at the depression of the cylinder to allow to flow out the cosmetics accommodated in the cylinder wherein the airless pump comprises: a piston support including a hollow rod extending upwardly from the center of the piston support, a plurality of holes formed on the circumference of the piston support for communicating the cosmetic, and a flange formed at the lower side;
an annular inner piston installed between the rod of the piston support and the depression of the cylinder and elevating up and down; and
a button unit for operating the airless pump wherein the button unit comprises an auxiliary button seated on the stem and having an elastic downward slope, and a main button seated on the auxiliary button and having a protrusion formed at a side of the main button and inserted into the through-hole of the plate.
2. A compact container having an airless pump comprising:
a casing including an upper case and a lower case and accommodating cosmetics;
a cylinder fixed to the inside of the lower case and having an annular outer wall downwardly extending from rim of the cylinder a depression formed at the center concentric with the outer wall, an opening formed at the lower side of the depression such that the opening communicates with inner space of the outer wall;
a plate upwardly spaced apart from the cylinder and having a discharging hole, formed at the center, through which the cosmetics are allowed to flow out, and a through-hole formed at side of the plate;
an annular container piston elevating up and down along the inner circumference of the outer wall of the cylinder;
an airless pump installed at the depression of the cylinder to allow to flow out the cosmetics accommodated in the cylinder; and
a button unit for operating the airless pump wherein the plate includes an annular downwardly extending wall formed around the discharging hole;
wherein the airless pump comprises:
a piston support including a hollow rod extending upwardly from the center of the piston support a plurality of holes formed on the circumference of the piston support for communicating the cosmetic and a flange formed at the lower side;
an annular inner piston installed between the rod of the piston support and the depression of the cylinder and elevating up and down; and
a stem including a protrusion protruding upwardly from the center to close the discharging hole of the plate, an opening formed around the protrusion through which the cosmetic introduced through the hollow inside of the piston support passes, and an annular trench which is concentric with the protrusion to guide the downwardly extending wall of the plate;
wherein the button unit comprises an auxiliary button seated on the stem and having an elastic downward slope and a main button seated on the auxiliary button and having a protrusion formed at a side of the main button and inserted into the through-hole of the plate.
US13/575,990 2010-02-12 2010-04-20 Compact container having an airless pump Active US8881946B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20-2010-0001601U 2010-02-12
KR20-2010-0001601 2010-02-12
KR2020100001601U KR200461424Y1 (en) 2010-02-12 2010-02-12 Compact Dispenser having airless pump
PCT/KR2010/002479 WO2011099675A1 (en) 2010-02-12 2010-04-20 Compact container having an airless pump

Publications (2)

Publication Number Publication Date
US20120305606A1 US20120305606A1 (en) 2012-12-06
US8881946B2 true US8881946B2 (en) 2014-11-11

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US13/575,990 Active US8881946B2 (en) 2010-02-12 2010-04-20 Compact container having an airless pump

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US (1) US8881946B2 (en)
EP (1) EP2534972B1 (en)
KR (1) KR200461424Y1 (en)
CN (1) CN202890958U (en)
WO (1) WO2011099675A1 (en)

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US20190059549A1 (en) * 2017-08-23 2019-02-28 Young-Kwang Byun Case for liquid state cosmetics
US10602828B2 (en) * 2017-08-23 2020-03-31 Young-Kwang Byun Case for liquid state cosmetics
US20190116959A1 (en) * 2017-10-24 2019-04-25 Young-Kwang Byun Case for liquid state cosmetics
US10485321B2 (en) * 2017-10-24 2019-11-26 Young-Kwang Byun Case for liquid state cosmetics
US11400472B2 (en) 2018-06-12 2022-08-02 Eric Zembrod Dispenser device without air intake for applicator nozzles for various types of flexible packaging
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USD933301S1 (en) * 2020-02-28 2021-10-12 Pum-Tech Korea Co., Ltd Compact container

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WO2011099675A1 (en) 2011-08-18
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CN202890958U (en) 2013-04-24
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KR20110008182U (en) 2011-08-18
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